1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_POOL_H 28 #define _SYS_POOL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <sys/time.h> 34 #include <sys/nvpair.h> 35 #include <sys/procset.h> 36 #include <sys/list.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define POOL_DEFAULT 0 /* default pool's ID */ 43 #define POOL_MAXID 999999 /* maximum possible pool ID */ 44 45 /* pools states */ 46 #define POOL_DISABLED 0 /* pools enabled */ 47 #define POOL_ENABLED 1 /* pools disabled */ 48 49 #ifdef _KERNEL 50 51 struct pool_pset; 52 53 typedef struct pool { 54 poolid_t pool_id; /* pool ID */ 55 uint32_t pool_ref; /* # of procs in this pool */ 56 list_node_t pool_link; /* links to next/prev pools */ 57 nvlist_t *pool_props; /* pool properties */ 58 struct pool_pset *pool_pset; /* pool's pset */ 59 } pool_t; 60 61 /* 62 * Flags for pool_do_bind 63 */ 64 #define POOL_BIND_PSET 0x00000001 65 #define POOL_BIND_ALL POOL_BIND_PSET 66 67 /* 68 * Result codes for pool_get_class() 69 */ 70 #define POOL_CLASS_UNSET -1 /* no scheduling class set */ 71 #define POOL_CLASS_INVAL -2 /* class is invalid */ 72 73 extern int pool_count; /* current number of pools */ 74 extern pool_t *pool_default; /* default pool pointer */ 75 extern int pool_state; /* pools state -- enabled/disabled */ 76 extern void *pool_buf; /* last state snapshot */ 77 extern size_t pool_bufsz; /* size of pool_buf */ 78 79 /* 80 * Lookup routines 81 */ 82 extern pool_t *pool_lookup_pool_by_id(poolid_t); 83 extern pool_t *pool_lookup_pool_by_name(char *); 84 85 /* 86 * Configuration routines 87 */ 88 extern void pool_init(void); 89 extern int pool_status(int); 90 extern int pool_create(int, int, id_t *); 91 extern int pool_destroy(int, int, id_t); 92 extern int pool_transfer(int, id_t, id_t, uint64_t); 93 extern int pool_assoc(poolid_t, int, id_t); 94 extern int pool_dissoc(poolid_t, int); 95 extern int pool_bind(poolid_t, idtype_t, id_t); 96 extern id_t pool_get_class(pool_t *); 97 extern int pool_do_bind(pool_t *, idtype_t, id_t, int); 98 extern int pool_query_binding(idtype_t, id_t, id_t *); 99 extern int pool_xtransfer(int, id_t, id_t, uint_t, id_t *); 100 extern int pool_pack_conf(void *, size_t, size_t *); 101 extern int pool_propput(int, int, id_t, nvpair_t *); 102 extern int pool_proprm(int, int, id_t, char *); 103 extern int pool_propget(char *, int, int, id_t, nvlist_t **); 104 extern int pool_commit(int); 105 106 /* 107 * Synchronization routines 108 */ 109 extern void pool_lock(void); 110 extern int pool_lock_intr(void); 111 extern int pool_lock_held(void); 112 extern void pool_unlock(void); 113 extern void pool_barrier_enter(void); 114 extern void pool_barrier_exit(void); 115 116 #endif /* _KERNEL */ 117 118 #ifdef __cplusplus 119 } 120 #endif 121 122 #endif /* _SYS_POOL_H */ 123